Do not include :page_parts in default @menu_pages fetch.
Do not include :page_parts in default @menu_pages fetch.

It had previously been included as a performance crutch because page#[] inadvertently fetched all page_parts; after previous commit, this becomes unnecessary.
Eric-Guo/refinerycms,donabrams/refinerycms,LytayTOUCH/refinerycms,stefanspicer/refinerycms,koa/refinerycms,aguzubiaga/refinerycms,gwagener/refinerycms,gwagener/refinerycms,refinery/refinerycms,mlinfoot/refinerycms,trevornez/refinerycms,simi/refinerycms,sideci-sample/sideci-sample-refinerycms,SmartMedia/refinerycms-with-custom-icons,trevornez/refinerycms,simi/refinerycms,LytayTOUCH/refinerycms,kappiah/refinerycms,simi/refinerycms,mojarra/myrefinerycms,hoopla-software/refinerycms,aguzubiaga/refinerycms,SmartMedia/refinerycms-with-custom-icons,gwagener/refinerycms,mkaplan9/refinerycms,louim/refinerycms,aguzubiaga/refinerycms,anitagraham/refinerycms,mobilityhouse/refinerycms,Retimont/refinerycms,Retimont/refinerycms,anitagraham/refinerycms,mkaplan9/refinerycms,chrise86/refinerycms,mabras/refinerycms,chrise86/refinerycms,refinery/refinerycms,johanb/refinerycms,mkaplan9/refinerycms,pcantrell/refinerycms,KingLemuel/refinerycms,mabras/refinerycms,hoopla-software/refinerycms,KingLemuel/refinerycms,chrise86/refinerycms,Eric-Guo/refinerycms,mabras/refinerycms,mlinfoot/refinerycms,bricesanchez/refinerycms,anitagraham/refinerycms,hoopla-software/refinerycms,bryanmtl/g-refinerycms,pcantrell/refinerycms,johanb/refinerycms,mlinfoot/refinerycms,kelkoo-services/refinerycms,Retimont/refinerycms,donabrams/refinerycms,kelkoo-services/refinerycms,trevornez/refinerycms,mojarra/myrefinerycms,koa/refinerycms,kappiah/refinerycms,stefanspicer/refinerycms,johanb/refinerycms,bricesanchez/refinerycms,sideci-sample/sideci-sample-refinerycms,stefanspicer/refinerycms,LytayTOUCH/refinerycms,refinery/refinerycms,mobilityhouse/refinerycms,KingLemuel/refinerycms,Eric-Guo/refinerycms,kappiah/refinerycms,simi/refinerycms,bryanmtl/g-refinerycms,louim/refinerycms